Hundreds of dolphins flee pod of killer whales – video

Sorry, your browser is unable to play this video.
Please install Adobe Flash™ and try again.
Alternatively upgrade to a modern browser.

A pod of around 500 dolphins are caught on camera by the Japanese coastguard in one of the country's southern seas. Also captured is a pod of killer whales, which are thought to have been chasing the dolphins as prey. Officials believe there are at least 50,000 killer whales in the wild